//
//  AppDelegate.swift
//  LX_weibo
//
//  Created by LTT❤️ on 15/6/23.
//  Copyright © 2015年 LTT. All rights reserved.
//

import UIKit
import AFNetworking

var sharedUserAccount = UserAccount.loadAccount()

//切换根控制器的通知
let WBSwitchRootVcNotification = "WBSwitchRootVcNotification"

@UIApplicationMain
class AppDelegate: UIResponder, UIApplicationDelegate {

    var window: UIWindow?

    func application(application: UIApplication, didFinishLaunchingWithOptions launchOptions: [NSObject: AnyObject]?) -> Bool {
        
       
        
        
        print(sharedUserAccount)
        
        setupNetwork()
        setupAppearance()
        window = UIWindow(frame: UIScreen.mainScreen().bounds)
        window?.backgroundColor = UIColor.whiteColor()
        window?.rootViewController = defaultViewController()
        window?.makeKeyAndVisible()
        
        
        //注册通知
        
        NSNotificationCenter.defaultCenter().addObserver(self, selector: "switchViewController:", name: WBSwitchRootVcNotification, object: nil)
        // Override point for customization after application launch.
        return true
    }
    //切换控制器
    func switchViewController(n:NSNotification){
        let isMainVC = n.object as!Bool
        window?.rootViewController = isMainVC ? MainViewController():WelcomeViewController()
        
    }
    

    //是否新版本
    private func isNewUpdate() -> Bool{
       // 1.获取当前版本
      let currentVersion = NSBundle.mainBundle().infoDictionary!["CFBundleShortVersionString"] as! String
        //string转数字
      let version = NSNumberFormatter().numberFromString(currentVersion)!.doubleValue
      //  print(version)
        // 2.获取应用程序之前的版本,从用户偏好中读取
        let versionKey = "versionKey"
        let sandBoxVersion = NSUserDefaults.standardUserDefaults().doubleForKey(versionKey)
        // 3.将"当前版本"写入用户偏好
        NSUserDefaults.standardUserDefaults().setDouble(version, forKey: versionKey)
        
        
        
        return version > sandBoxVersion
    }
    //判断加载的默认控制器
    private func defaultViewController() -> UIViewController
    {
        //1.判断是否登录
        if sharedUserAccount != nil{
            //如果登陆,判断是否有新版本
            return isNewUpdate() ? NewFeatureCollectionViewController():WelcomeViewController()
        }
        return MainViewController()
    }
    
    
    
    private func setupAppearance(){
        UINavigationBar.appearance().tintColor = UIColor.orangeColor()
        UITabBar.appearance().tintColor = UIColor.orangeColor()
     
    }
    func setupNetwork(){
        //打开菊花
        AFNetworkActivityIndicatorManager.sharedManager().enabled = true
        //设置网络缓存
        let urlCache = NSURLCache(memoryCapacity: 4*1024*1024, diskCapacity: 20*1024*1024, diskPath: nil)
         NSURLCache.setSharedURLCache(urlCache)
    }
    
    func applicationWillResignActive(application: UIApplication) {
        // Sent when the application is about to move from active to inactive state. This can occur for certain types of temporary interruptions (such as an incoming phone call or SMS message) or when the user quits the application and it begins the transition to the background state.
        // Use this method to pause ongoing tasks, disable timers, and throttle down OpenGL ES frame rates. Games should use this method to pause the game.
    }

    func applicationDidEnterBackground(application: UIApplication) {
        // Use this method to release shared resources, save user data, invalidate timers, and store enough application state information to restore your application to its current state in case it is terminated later.
        // If your application supports background execution, this method is called instead of applicationWillTerminate: when the user quits.
    }

    func applicationWillEnterForeground(application: UIApplication) {
        // Called as part of the transition from the background to the inactive state; here you can undo many of the changes made on entering the background.
    }

    func applicationDidBecomeActive(application: UIApplication) {
        // Restart any tasks that were paused (or not yet started) while the application was inactive. If the application was previously in the background, optionally refresh the user interface.
    }

    func applicationWillTerminate(application: UIApplication) {
        // Called when the application is about to terminate. Save data if appropriate. See also applicationDidEnterBackground:.
    }


}

